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acpi: Support writing an integer

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ACPI supports storing integers in various ways. Add a function to handle
this.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Wolfgang Wallner <wolfgang.wallner@br-automation.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
This commit is contained in:
Simon Glass
2020-07-07 13:11:52 -06:00
committed by Bin Meng
parent 03967ce2e5
commit 83b2bd5a74
3 changed files with 114 additions and 0 deletions
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46
test/dm/acpigen.c
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@@ -25,6 +25,11 @@
#define TEST_STRING "frogmore"
#define TEST_STREAM2 "\xfa\xde"
#define TEST_INT8 0x7d
#define TEST_INT16 0x2345
#define TEST_INT32 0x12345678
#define TEST_INT64 0x4567890123456
static int alloc_context_size(struct acpi_ctx **ctxp, int size)
{
struct acpi_ctx *ctx;
@@ -431,3 +436,44 @@ static int dm_test_acpi_package(struct unit_test_state *uts)
return 0;
}
DM_TEST(dm_test_acpi_package, 0);
/* Test writing an integer */
static int dm_test_acpi_integer(struct unit_test_state *uts)
{
struct acpi_ctx *ctx;
u8 *ptr;
ut_assertok(alloc_context(&ctx));
ptr = acpigen_get_current(ctx);
acpigen_write_integer(ctx, 0);
acpigen_write_integer(ctx, 1);
acpigen_write_integer(ctx, TEST_INT8);
acpigen_write_integer(ctx, TEST_INT16);
acpigen_write_integer(ctx, TEST_INT32);
acpigen_write_integer(ctx, TEST_INT64);
ut_asserteq(6 + 1 + 2 + 4 + 8, acpigen_get_current(ctx) - ptr);
ut_asserteq(ZERO_OP, ptr[0]);
ut_asserteq(ONE_OP, ptr[1]);
ut_asserteq(BYTE_PREFIX, ptr[2]);
ut_asserteq(TEST_INT8, ptr[3]);
ut_asserteq(WORD_PREFIX, ptr[4]);
ut_asserteq(TEST_INT16, get_unaligned((u16 *)(ptr + 5)));
ut_asserteq(DWORD_PREFIX, ptr[7]);
ut_asserteq(TEST_INT32, get_unaligned((u32 *)(ptr + 8)));
ut_asserteq(QWORD_PREFIX, ptr[12]);
ut_asserteq_64(TEST_INT64, get_unaligned((u64 *)(ptr + 13)));
free_context(&ctx);
return 0;
}
DM_TEST(dm_test_acpi_integer, 0);